<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>促销图</title>
</head>
<style>
    .box{
        width: 414px;
    }
    .box img{
        width: 100%;
    }
    .one{
        position: relative;
    }
    .one::before{
        content: url(../浮动与定位/促销图3.png);
        position: absolute;
    }
    .one::after{
        content: url(../浮动与定位/促销图4.png);
        position: absolute;
        right: 0px;
        bottom: 0px;
    }
</style>
<body>
    <div class="box">
        <div class="one">  
    <img src="../浮动与定位/促销图2.jpg" alt="">
        </div>
        <div class="one">
            <img src="../浮动与定位/促销图.jpg" alt="">
        </div>
    </div> 
</body>
</html>